TaeguTec CNMG120408MC TT5100 | Premium CVD Cast Iron Turning Insert
✓ In Stock & Fast Dispatch: Order processing: typically 1–3 business days after confirmation.
✓ Global Shipping: Delivery: generally 5–20 business days, depending on destination and shipping method.
✓ Guaranteed Quality: Check model, dimensions and compatibility before ordering. | Direct Factory Outlet
✓ Technical Support: Need grade selection help? Contact Engineer
💰 Bulk savings 2-9 pcs · 6% OFF | 10+ pcs · 12% OFF
TaeguTec CNMG120408MC TT5100
Master of Cast Iron: High-Speed CVD Grade for Maximum Productivity
Product Overview
"Which carbide grade provides the highest wear resistance and longest tool life when machining abrasive gray cast iron at high speeds?"
The TaeguTec CNMG120408MC TT5100 is an industrial-grade solution specifically tailored for ISO K (Cast Iron) applications. The TT5100 CVD grade features a thick, heat-resistant alumina coating that excels in high-temperature environments typical of high-velocity cast iron turning. The MC (Medium Cast Iron) chipbreaker is engineered with a stable cutting edge and specialized geometry to manage the unique chip formation of ductile and gray irons, ensuring the CNMG120408MC delivers consistent surface finishes and reduced downtime.
Key Features
Advanced thick-layer CVD coating provides industry-leading abrasive wear resistance against the high silicon content of cast irons.
Optimized land width and rake angle balance edge strength with chip control for both continuous and slightly interrupted cuts.
Designed to withstand the intense friction heat of dry machining, a common requirement in cast iron processing.
Technical Specifications
ISO Code Decoding: CNMG120408MC
80° Rhom
0° Relief
Tolerance
Hole/Sint
12.7mm IC
4.76mm S
0.8mm RE
Cast Iron
| Unit System | Designation | I.C. Dimension | Radius (RE) |
|---|---|---|---|
| Metric (ISO) | CNMG120408MC | 12.7 mm | 0.8 mm |
| Imperial (ANSI) | CNMG432MC | 0.500" | 0.031" |
Recommended Cutting Parameters (ISO K)
| Material Group | Speed (Vc) | Feed Rate (fn) |
|---|---|---|
| Gray Cast Iron (GG25) | 200 - 450 m/min | 0.20 - 0.50 mm/rev |
| Ductile Cast Iron (GGG40) | 150 - 350 m/min | 0.20 - 0.45 mm/rev |
Compatible Toolholders
This 12.7mm I.C. insert fits all standard external and internal holders including DCLNR/L 12, PCLNR/L 12, and MCLNR/L 12 series.
Product Applications
- High-volume turning of automotive brake discs and drums.
- Machining of heavy industrial gearbox housings made from ductile iron.
- Precision turning of gray iron engine blocks and hydraulic components.
- General medium-duty machining of all ISO K class materials in CNC production.
TaeguTec Grade Comparison (Cast Iron)
| Grade Name | Primary Focus | Best Use Case |
|---|---|---|
| TT5100 (CVD) | Wear Resistance | High speed, stable conditions, gray iron. |
| TT5080 (PVD) | Toughness | Interrupted cuts, unstable conditions, small parts. |
Why Choose TaeguTec?
A global leader within the IMC Group, TaeguTec represents the absolute peak of metallurgy and coating science. The TT5100 grade is the culmination of decades of research into the abrasive properties of cast iron. By selecting the CNMG120408MC, you are opting for a tool that minimizes the cost-per-part through extreme durability and high-speed capability. In the world of industrial turning, TaeguTec is the benchmark for consistency and precision.
Verified Global Feedback
"Killer on Gray Iron"
Switched to TT5100 for our brake rotor line. We're running 30% faster than our previous supplier with better tool life.
— Automotive Components (USA)"Reliable Ductile Turning"
Excellent surface finish on GGG40. The MC breaker handles the chips perfectly without the usual bird-nesting issues.
— Machinery Works GmbH (Germany)"Consistent Quality"
Predictable wear patterns. Makes tool change schedules much easier to manage in our high-volume cell.
— Precision Iron Foundry (Japan)Frequently Asked Questions
1. Should I run TT5100 wet or dry in Cast Iron?
Cast iron is typically machined dry to prevent thermal shock and messy dust slurry. TT5100 is specifically designed to thrive in high-heat dry environments.
2. How does the MC breaker perform in high feeds?
The MC (Medium Cast) geometry is robust enough to handle feeds up to 0.50 mm/rev while maintaining excellent edge integrity.
Need Help With taegutec Inserts?
Looking for a taegutec equivalent, alternative grade, or sample catalog? Our CNC specialists have helped 50+ manufacturers in aerospace, automotive, and medical machining source the right tooling at 30–50% lower cost than OEM prices.
This taegutec insert is in stock. 24-hour quote response. ISO 9001 certified. Ships from Hangzhou in 3–7 days.
Technical FAQ & Buying Guide
When choosing CNC cutting tools, check the full model code, dimensions, grade and selected variant before ordering. Do not rely on the product image alone.
For carbide inserts, tool holders, drills and end mills, compare the mounting dimensions, connection type and manufacturer's specifications with your holder or machine. If you are unsure, share your existing part number and machining application with us before ordering.
Check the product listing for the selling unit, pack quantity and included components. If it is unclear whether the price is per piece or per pack, or whether a tool body and inserts are sold separately, contact us before purchasing.
Select cutting speed, feed rate and depth of cut using the relevant manufacturer's recommendations for your tool model, workpiece material, machine conditions and coolant method. The same settings are not suitable for every product or application.
Our automatic quantity discount is 6% off for 2–9 items and 12% off for 10 or more items, based on the total product quantity in the cart. Other offers may not combine with this discount; check the applicable offer conditions.
According to our shipping policy, orders are typically processed and shipped within 1–3 business days after confirmation. Delivery generally takes 5–20 business days, depending on your destination and shipping method. Customs clearance or unforeseen delays may affect delivery times. A tracking number is sent by email after shipment.